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crash reports?
From: Michael Hornung <hornung () cac washington edu>
Date: Wed, 27 Feb 2002 12:39:21 -0800 (PST)

Hi.  New to the list.  Is this an appropriate venue for crash reports?  I
got a core dump the other day, which was unexpected.  If other information
would be interesting, let me know.

Running on:
Linux poot 2.4.0 #3 Tue Jan 23 15:59:04 PST 2001 i686 unknown

# nmap -V
nmap V. 2.54BETA30

From stderr:
nmap: targets.c:1321: hostupdate: Assertion `pt->down_this_block > 0' failed.

Core was generated by `/usr/local/bin/nmap -O -sS -sU -PB -p
161,162,199,391,705,1993 -oG - 128.95.37.'.
Program terminated with signal 6, Aborted.
Reading symbols from /lib/libm.so.6...done.
Reading symbols from /lib/libc.so.6...done.
Reading symbols from /lib/ld-linux.so.2...done.
Reading symbols from /lib/libnss_files.so.2...done.
#0  0x40056d21 in __kill ()
(gdb) bt
#0  0x40056d21 in __kill ()
#1  0x40056996 in raise (sig=6) at ../sysdeps/posix/raise.c:27
#2  0x400580b8 in abort () at ../sysdeps/generic/abort.c:88
#3  0x40050bae in __assert_fail () at assert.c:59
#4  0x80582fd in hostupdate (hostbatch=0x8576980, target=0x857c8c0,
    newstate=1, dotimeout=1, trynum=0, to=0x809b318, sent=0x8596d08,
    pt=0xbfffb1b8, tqi=0x0, pingtype=32) at targets.c:1321
#5  0x8057d97 in get_ping_results (sd=-1, pd=0x8598d90, hostbatch=0x8576980,
    time=0x8596588, pt=0xbfffb1b8, to=0x809b318, id=13736, ptech=0xbfffb184,
    ports=0x80abf50) at targets.c:1240
#6  0x80546bd in massping (hostbatch=0x8576980, num_hosts=256, ports=0x80abf50)
    at targets.c:626
#7  0x8052be6 in nexthost (hs=0xbfffc6b0, ports=0x80abf50) at targets.c:280
#8  0x804e7fc in nmap_main (argc=10, argv=0xbffffcec) at nmap.c:1121
#9  0x804a29d in main (argc=10, argv=0xbffffcec, envp=0xbffffd18) at nmap.c:146
#10 0x400509cb in __libc_start_main (main=0x8049fa0 <main>, argc=10,
    argv=0xbffffcec, init=0x8049760 <_init>, fini=0x8085e4c <_fini>,
    rtld_fini=0x4000ae60 <_dl_fini>, stack_end=0xbffffce4)
    at ../sysdeps/generic/libc-start.c:92
(gdb) quit

Additionally, I have gotten a number of the following on stderr and I'm
not sure what exactly they're trying to tell me:

Serious time computation problem in adjust_timeout ... received =
(1014424031, 859705) sent=(0,0) delta = -85569506 srtt = 76058078 rttvar =
2000000 to = 10000000

 Michael Hornung, University Computing Services, Computing & Communications
 Email: hornung () cac washington edu   Phone: 206.221.4634  Fax: 206.221.6966
  PGP Public Key 0x82B06992 = http://staff.washington.edu/hornung/key.html

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